Firearm magazine



FIG. 1 is a right side perspective view of an exemplary embodiment of a firearm magazine, showing our new design;

FIG. 2 is a front view of the present invention;

FIG. 3 is a rear view of the present invention;

FIG. 4 is a right side view of the present invention;

FIG. 5 is a left side view of the present invention;

FIG. 6 is a top view of the present invention; and,

FIG. 7 is a bottom view of the present invention.

The broken lines in the figures depict portions of the firearm magazine that form no part of the claimed design. 

CLAIM The ornamental design for a firearm magazine, as shown and described. 